Michael Dürig created OAK-7852:
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Summary: Blocked backfround flush can cause sever data loss
Key: OAK-7852
URL: https://issues.apache.org/jira/browse/OAK-7852
Project: Jackrabbit Oak
Issue Type: Improvement
Components: segment-tar
Reporter: Michael Dürig
Assignee: Michael Dürig
Fix For: 1.10
When the {{FileStore background task}} fails (e.g. because of a deadlock) and the {{FileStore}}
is subsequently shutdown in an unclean way ({{kill -9}}) then there is a risk of a sever data
loss. Although a journal could be reconstructed from the segments, there is a chance that
most if not all of the revisions written since the failure of the background tasks are inconsistent
with a {{SNFE}}.
The expectation for such a case should be that a journal could be reconstructed from the segments
and that all but the last few revisions are consistent.
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